sample n. 1.样品,货样。 2.标本;榜样,实例。 3.【统计】典型取样,抽检查。 4.【电讯】信号瞬时值。 5.【冶金】 〔 pl. 〕 锌华。 That is a fair sample of his manners. 那就是他的典型态度。 a light sample 光脉冲。 up to sample 1. 和样品一样[相符]。 2. 可以接受的,可以同意的。 vt. 从…取样,从…抽样;提供;货样;对…进行抽样检查。
At last by computer simulation the errors of sampling power measurement 最后,仿真给出了a/d参数影响采样功率测量误差的曲线。
The concepts of filtering and sampling power system voltage and current signals for harmonic analysis using the fast fourier transform ( fft ) algorithm by a digital signal processor are introduced 软件算法方面,系统采用传统的快速付立叶变换(fft),对采集的电压和电流信号进行频谱分析。
Supported by heilongjiang province natural science foundation projects " research on the errors mechanism of time division a . c . power measurement " ( no . e9719 ), " research on theory of analog digital mixed sampling power energy measurement " ( no . e01-15 ) and foundation for university key teacher by the ministry of education " the research on the low audio frequency a . c . power measurement smart instrument " ( no . 1087 ), in this dissertation it is made that a systematic and deep study on power measurement model errors and instrument errors about analog sampling, digital sampling and mixed sampling measurement, and fully experiments about mixed sampling measurement 本学位论文在黑龙江省自然科学基金资助项目“时分割交流功率测量原理误差产生机理的理论研究”(编号:e9719),“模拟数字混合采样功率与电能测量的理论研究”(编号:e01-15)和教育部高等学校骨干教师资助计划项目“中频电功率测量智能仪器的研制”(编号:1087)的资助下,以电功率模拟采样测量、数字采样测量和混合采样测量方法为对象,对电功率测量的原理误差和仪器误差进行了系统和深入的理论研究和有关的实验研究。